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The patent EP3190063 was granted to Sekisui Chemical on Aug 18, 2021. The application was originally filed on Aug 27, 2015 under application number EP15838034A. The patent is currently recorded with a legal status of "Opposition Rejected".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| MONOSOL | May 17, 2022 | MAI BESIER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP1008605 |
| EXAMINATION | JP2002121349 |
| EXAMINATION | JPH09272773 |
| EXAMINATION | US2009291282 |
| EXAMINATION | US2014110301 |
| INTERNATIONAL-SEARCH-REPORT | JP2001322668 |
| INTERNATIONAL-SEARCH-REPORT | JP2006257225 |
| INTERNATIONAL-SEARCH-REPORT | JP2013518008 |
| OPPOSITION | US2011186467 |
| OPPOSITION | US2448358 |
| OPPOSITION | US3087920 |
| OPPOSITION | US4156047 |
| OPPOSITION | US6166117 |
| OPPOSITION | US7745517 |
| OPPOSITION | US8466243 |
| SEARCH | EP1251147 |
| SEARCH | US3607812 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Aug 31, 2021
Jul 22, 2021
Decision to grant a European patent
Search/Exam
Jul 21, 2021
Payment submission rejected
Search/Exam
Jul 12, 2021
(Electronic) Receipt
Search/Exam
Jul 12, 2021
Filing of the translations of the claims
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Jul 12, 2021
French translation of claims
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Jul 12, 2021
German translation of the claims
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Jul 12, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2021
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Intention to grant (signatures)
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Jun 2, 2021
Text intended for grant (clean copy)
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Jun 2, 2021
Dec 16, 2020
(Electronic) Receipt
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Dec 16, 2020
Amended claims with annotations
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Dec 16, 2020
Amended description with annotations
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Dec 16, 2020
Claims
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Dec 16, 2020
Description
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Dec 16, 2020
Letter accompanying subsequently filed items
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Dec 16, 2020
Aug 13, 2020
Annex to the communication
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Aug 13, 2020
Communication from the Examining Division
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May 4, 2020
(Electronic) Receipt
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May 4, 2020
Amended claims with annotations
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May 4, 2020
Amended claims with annotations
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Amended claims with annotations
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May 4, 2020
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May 4, 2020
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May 4, 2020
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May 4, 2020
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May 4, 2020
Description
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May 4, 2020
Letter accompanying subsequently filed items
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May 4, 2020
Feb 19, 2020
Annex to the communication
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Feb 19, 2020
Communication from the Examining Division
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Dec 2, 2019
Nov 27, 2019
(Electronic) Receipt
Search/Exam
Nov 27, 2019
Amended claims with annotations
Search/Exam
Nov 27, 2019
Amended description with annotations
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Nov 27, 2019
Annex
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Nov 27, 2019
Claims
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Nov 27, 2019
Description
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Nov 27, 2019
Letter accompanying subsequently filed items
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Nov 27, 2019
Nov 25, 2019
Jul 18, 2019
Annex to a communication
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Jul 18, 2019
Annex to a communication
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Jul 18, 2019
Annex to the communication
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Jul 18, 2019
Communication from the Examining Division
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Jul 11, 2019
Examination started
Search/Exam
Sep 18, 2018
(Electronic) Receipt
Search/Exam
Sep 18, 2018
Amended claims with annotations
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Sep 18, 2018
Amended claims with annotations
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Sep 18, 2018
Amended claims with annotations
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Sep 18, 2018
Amended description with annotations
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Sep 18, 2018
Amendments received before examination
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Sep 18, 2018
Claims
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Sep 18, 2018
Claims
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Sep 18, 2018
Claims
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Sep 18, 2018
Description
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Sep 18, 2018
Letter accompanying subsequently filed items
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Mar 9, 2018
Feb 21, 2018
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European search opinion
Search/Exam
Feb 21, 2018
Information on Search Strategy
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Feb 21, 2018
Supplementary European search report
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Jun 14, 2017
Notification of forthcoming publication
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Apr 7, 2017
Apr 5, 2017
Communication to designated inventor
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Apr 5, 2017
Communication to designated inventor
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Mar 23, 2017
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Mar 14, 2017
(Electronic) Receipt
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Mar 14, 2017
Abstract
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Mar 14, 2017
Claims
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Mar 14, 2017
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Description
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Mar 14, 2017
Request for entry into the European phase
Search/Exam
Mar 14, 2017
Jan 13, 2017
Information on entry into European phase
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Mar 30, 2016
Mar 30, 2016
Mar 10, 2016
Copy of the international search report
Search/Exam
Mar 10, 2016
Mar 10, 2016
International publication pamphlet
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